1966 United States Senate election in Minnesota

The 1966 United States Senate election in Minnesota took place on November 8, 1966. Incumbent Democratic U.S. Senator Walter Mondale, who had originally been appointed in 1964 to replace Hubert Humphrey after Humphrey was elected Vice President of the United States, defeated Republican challenger Robert A. Forsythe, to win a full term.

1966 United States Senate election in Minnesota

November 8, 1966

Nominee Walter Mondale Robert Forsythe Party Democratic (DFL) Republican Popular vote 685,840 574,868 Percentage 53.94% 45.21%

County results Mondale:      50–60%      60–70%      70–80% Forsythe:      40-50%      50-60%      60-70%

U.S. senator before election Walter Mondale Democratic (DFL) Elected U.S. Senator Walter Mondale Democratic (DFL)

Democratic–Farmer–Labor primary

Declared

• Ralph E. Franklin
• Walter Mondale, Incumbent U.S. Senator since 1964

Results

Democratic primary election results[1]

Party		Candidate	Votes	%
	Democratic (DFL)	Walter Mondale (Incumbent)	410,841	90.97%
	Democratic (DFL)	Ralph E. Franklin	40,785	9.03%
Total votes			451,626	100.00%

Republican primary

Declared

• Robert A. Forsythe
• Henry A. Johnsen

Results

Republican primary election results[2]

Party		Candidate	Votes	%
	Republican	Robert A. Forsythe	211,282	81.19%
	Republican	Henry A. Johnsen	48,941	18.81%
Total votes			260,223	100.00%

General election

Results

General election results[3]

Party		Candidate	Votes	%
	Democratic (DFL)	Walter Mondale (Incumbent)	685,840	53.94%
	Republican	Robert A. Forsythe	574,868	45.21%
	Socialist Workers	Joseph Johnson	5,487	0.43%
	Industrial Government	William Braatz	5,231	0.41%
Total votes			1,271,426	100.00%
Majority			110,972	8.73%
	Democratic (DFL) hold

See also

• United States Senate elections, 1966

References

1. https://www.ourcampaigns.com/RaceDetail.html?RaceID=764413
2. https://www.ourcampaigns.com/RaceDetail.html?RaceID=764416
3. https://www.ourcampaigns.com/RaceDetail.html?RaceID=7080